MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0dda6b17b27256450669bcad31164fa1e389864a15b329fa43735402534990c1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 0dda6b17b27256450669bcad31164fa1e389864a15b329fa43735402534990c1
SHA3-384 hash: f6d61ba0193a155810a8d2ec3f4a1098a7ca501009847bd3aac46ba408efd99af76fa681c660c7d5a128d4234050a466
SHA1 hash: 5ea13c9364f031463cb1715001cce1b19c71daf8
MD5 hash: 02a33d358de2c32f54857e1c14f726e3
humanhash: leopard-quiet-stairway-crazy
File name:mipsel.kok
Download: download sample
Signature Mirai
File size:140'288 bytes
First seen:2026-01-10 08:06:51 UTC
Last seen:2026-01-10 13:39:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:stK1aFA+1DqGgis7UmXmy2/zYcYTnvfemSnj:5a2+1DqGgis7UmX2zYnTul
TLSH T1DAD30609FF610EFBE86FCD3746E9074525CC561622B93BB63534D928F28A14B0AE3974
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin masquerade mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-10T00:13:00Z UTC
Last seen:
2026-01-12T06:06:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ecee6fdd-1900-0000-fd9c-4c3d7f0a0000 pid=2687 /usr/bin/sudo guuid=d4bb3bdf-1900-0000-fd9c-4c3d850a0000 pid=2693 /tmp/sample.bin guuid=ecee6fdd-1900-0000-fd9c-4c3d7f0a0000 pid=2687->guuid=d4bb3bdf-1900-0000-fd9c-4c3d850a0000 pid=2693 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847838 Sample: mipsel.kok.elf Startdate: 10/01/2026 Architecture: LINUX Score: 100 94 168.222.20.203, 3306, 49734 INS-ASUS United States 2->94 96 91.92.241.12, 46586, 6969 THEZONEBG Bulgaria 2->96 98 13 other IPs or domains 2->98 100 Suricata IDS alerts for network traffic 2->100 102 Multi AV Scanner detection for submitted file 2->102 11 mipsel.kok.elf 2->11         started        signatures3 process4 signatures5 124 Sample tries to kill multiple processes (SIGKILL) 11->124 126 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->126 14 mipsel.kok.elf 11->14         started        process6 file7 86 /var/spool/cron/root, ASCII 14->86 dropped 88 /var/spool/cron/crontabs/root, ASCII 14->88 dropped 90 /root/.bashrc, ASCII 14->90 dropped 92 11 other files (10 malicious) 14->92 dropped 128 Sample tries to set files in /etc globally writable 14->128 130 Sample tries to persist itself using /etc/profile 14->130 132 Drops files in suspicious directories 14->132 134 4 other signatures 14->134 18 mipsel.kok.elf sh 14->18         started        20 mipsel.kok.elf sh 14->20         started        22 mipsel.kok.elf sh 14->22         started        24 53 other processes 14->24 signatures8 process9 signatures10 27 sh S99backup0 18->27         started        29 sh S99backup1 20->29         started        31 sh S99backup2 22->31         started        120 Sample tries to kill a massive number of system processes 24->120 122 Sample tries to kill multiple processes (SIGKILL) 24->122 33 sh S99network 24->33         started        35 sh cp 24->35         started        39 sh crontab 24->39         started        41 51 other processes 24->41 process11 file12 43 S99backup0 27->43         started        45 S99backup1 29->45         started        47 S99backup2 31->47         started        49 S99network 33->49         started        76 /usr/bin/.update, ELF 35->76 dropped 106 Writes identical ELF files to multiple locations 35->106 108 Drops invisible ELF files 35->108 110 Drops files in suspicious directories 35->110 78 /var/spool/cron/crontabs/tmp.JA0JQl, ASCII 39->78 dropped 112 Sample tries to persist itself using cron 39->112 114 Executes the "crontab" command typically for achieving persistence 39->114 80 /var/log/.update, ELF 41->80 dropped 82 /var/jbx/shared/.update, ELF 41->82 dropped 84 /boot/.update, ELF 41->84 dropped 116 Sample deletes itself 41->116 118 Terminates several processes with shell command 'killall' 41->118 51 sh crontab 41->51         started        54 .monitor 41->54         started        56 sh .update 41->56         started        signatures13 process14 signatures15 58 S99backup0 .update 43->58         started        66 167 other processes 43->66 60 S99backup1 .update 45->60         started        68 165 other processes 45->68 62 S99backup2 .update 47->62         started        70 161 other processes 47->70 64 S99network .update 49->64         started        72 157 other processes 49->72 104 Executes the "crontab" command typically for achieving persistence 51->104 74 2 other processes 54->74 process16
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-10 05:03:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_irc_catcher
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 0dda6b17b27256450669bcad31164fa1e389864a15b329fa43735402534990c1

(this sample)

  
Delivery method
Distributed via web download

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